policy.json

{
  "Version": "2012-10-17",
  "Statement": [
    {
      "Effect": "Allow",
      "Principal": {
        "AWS": [
          "*"
        ]
      },
      "Action": [
        "s3:GetBucketLocation",
        "s3:ListBucket",
        "s3:ListBucketMultipartUploads"
      ],
      "Resource": [
        "arn:aws:s3:::${aws:username}",
        "arn:aws:s3:::${aws:username}*",
        "arn:aws:s3:::${aws:username}/*",
        "arn:aws:s3:::${aws:username}emergency/*", 
        "arn:aws:s3:::${aws:username}emergency", 
        "arn:aws:s3:::${aws:username}emergency*"
      ]
    },
    {
      "Effect": "Allow",
      "Principal": {
        "AWS": [
          "*"
        ]
      },
      "Action": [
        "s3:AbortMultipartUpload",
        "s3:DeleteObject",
        "s3:GetObject",
        "s3:ListMultipartUploadParts",
        "s3:PutObject"
      ],
      "Resource": [
        "arn:aws:s3:::${aws:username}/*",
        "arn:aws:s3:::${aws:username}*",
        "arn:aws:s3:::${aws:username}emergency/*", 
        "arn:aws:s3:::${aws:username}/*",
        "arn:aws:s3:::${aws:username}emergency/*",
        "arn:aws:s3:::${aws:username}emergency*"
      ]
    }
  ]
}